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So what: It appears that Chart shareholders have Morgan Stanley(NYSE: MS) to thank today. The broker upgraded Chart from "equal-weight" to "overweight," bumped up its 2011 and 2012 earnings estimates for the company, and said that the company stands to be a big beneficiary as liquefied natural gas (LNG) takes a bigger role on the energy playing field.

Now what: Combine today's upgrade with a strong earnings report last month that showed earnings above analysts' expectations and higher guidance from management and you've got a recipe for excitement. However, shares are now up a scorching 32% in less than a month, so investors may want to wait and see if shares cool off a bit before trying to grab at them.

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